Show HN: Calyxa – Browser Native AI tutor solving the "cheating" problem
Calyxa is a browser-native AI tutor that helps students learn directly on homework websites and PDFs, eliminating the need to copy-paste problems into separate chats. It provides contextual annotations and voice coaching, aiming to turn cheating into genuine understanding. Free tier offers 10 sessions/month; Pro at $10/month for unlimited use.
Featured onProduct Hunt
Stop copying. Start learning.
Your Adaptive AI tutor that teaches directly on any homework, website, or PDF.
Add to Chrome — free
Works on Khan Academy, Canvas, Google Classroom & more.
calyxa
how it workspricinglog inAdd to Chrome — free
Featured onProduct Hunt
Stop copying. Start learning.
Your Adaptive AI tutor that teaches directly on any homework, website, or PDF.
Add to Chrome — free
✧ Exploring
Canvas
Khan Academy
MyLab Math
DeltaMath
WebAssign
AP Classroom
Google Classroom
ChromeFileEditViewHistoryBookmarksWindowHelpSat Jul 1911:25 AM
Solve for a side in right triangles | Khan Academy✕
←→⟳khanacademy.org/math/trigonometry/right-triangles-trig
sees this page
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scripted demo — the real calyxa floats over your actual homework tab
getting unstuck
Skip the copy-paste loop.
one sentence does what used to take eight steps — and this time you actually learn it.
Before1 / 8 steps
1 1Screenshot the problem2 2Open a new chat3 3Paste it in4 4Type where you're stuck5 5Read the full solution6 6Copy it down7 7Turn it in8 8Miss the same step on the test
~10 minutes of screenshot-and-paste busywork to hand in an answer you can't explain — you end up cheating and learning nothing.
After1 step
“hey calyxa — I'm stuck on 2b.”
2bx² − 5x + 6 = 0your page
✚ Coachingalready looking at 2b — what did you try first?
seconds to ask, zero busywork — you think it through and actually understand the concept your test needs.
one session
Everything a tutor does, in one session.
it draws on the problem itself, talks you through it out loud, and leaves a study kit behind when you're done.
labeled marks and a why-note — on the page you already have open.
It draws on the problem itself.
labeled marks on the terms it's talking about, and a why-note for the step — on the page you already have open. when it says “the middle term,” you can see exactly which term it means.
mathpath.example.edu/unit-4mathpath.example.educalyxa active
Problem 2 · factor
x² + 5xthey add to +5 + 6they multiply to +6 = 0
✚ Coachingyou're looking for two numbers that do both jobs at once. what pair could that be?
✚ Coaching
pricing
Simple, honest pricing.
free
$0/mo
10 tutoring sessions a month.
✓ annotations on any page✓ voice tutoring✓ session notes
Start free
pro
$10/mo
billed monthly
unlimited sessions. everything calyxa learns about you, working for you.
✓ unlimited sessions✓ remembers your misconceptions✓ study kits after every session✓ priority support
Upgrade to Pro
a human tutor is $40–80 an hour. a month of calyxa costs less than 20 minutes of one.
⌥+C
Press ⌥ C and start talking.
your homework is already open. so is the tutor.
Add to Chrome — free
10 free sessions a month · chrome, for now · alt + shift + C on windows